4(x-9)-4=12

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Solution for 4(x-9)-4=12 equation: 



4(x-9)-4=12

We move all terms to the left:

4(x-9)-4-(12)=0

We add all the numbers together, and all the variables

4(x-9)-16=0

We multiply parentheses

4x-36-16=0

We add all the numbers together, and all the variables

4x-52=0

We move all terms containing x to the left, all other terms to the right

4x=52

x=52/4

x=13

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